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Measuring FFR: Measuring FFR: - summitMD.com

Measuring FFR: Measuring FFR: - summitMD.com

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Chronic Microvascular Damage and <strong>FFR</strong><br />

Old Myocardial<br />

Infarction<br />

Irreversible Microvascular<br />

Damage<br />

In the setting of chronic microvascular<br />

dysfunction, the higher <strong>FFR</strong> is not<br />

falsely elevated, but reflects the<br />

smaller amount of viable myocardium<br />

supplied by the vessel and still<br />

provides information about the<br />

expected gain in flow after PCI<br />

Maximum Achievable<br />

Flow is Less<br />

Smaller Gradient and<br />

Higher <strong>FFR</strong> across<br />

Any Given Stenosis<br />

Stanford

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